<template>
	<div>
		<div class="search">
			<input v-model="keyword" class="search-input" type="text" placeholder="输入城市名或拼音" />
		</div>
		<div class="search-content" ref="search" v-show="keyword">
			<ul>
				<li class="search-item border-bottom" v-for="item of list" :key="item.id" 
					@click="handleCityClick(item.name)">
					{{item.name}}
				</li>
				<li class="search-item border-bottom" v-show="hasNoData">
					没有找到匹配数据
				</li>
			</ul>
		</div>
	</div>
</template>

<script>
import Bscroll from 'better-scroll'
import { mapMutations } from 'vuex'

export default {
	name:'CitySearch',
	props:{
		cities:Object
	},
	data() {
		return {
			keyword: '',
			list:[],
			timer:null,
		}
	},
	methods:{
		handleCityClick(city){
			// this.$store.dispatch('changeCity',city)
			// this.$store.commit('changeCity',city)
			this.changeCity(city)
			this.$router.push('/')
		},
		...mapMutations(['changeCity'])
	},
	computed:{
		hasNoData () {
			return !this.list.length
		}
	},
	watch:{
		keyword(){
			if(this.timer){
				clearTimeout(this.timer)
			}
			if(!this.keyword){
				this.list = []
				return
			}
			this.timer = setTimeout(() =>{
				const result = []
				for (let i in this.cities){
					
					this.cities[i].forEach((value) => {
						if(value.spell.indexOf(this.keyword) > -1 || value.name.indexOf(this.keyword) > -1){
							result.push(value)
						}
					})
				}
				this.list = result
			},100)
		}
	},
	mounted() {
		this.scroll = new Bscroll(this.$refs.search)
	},
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
.search
	height:.72rem
	padding:0 .1rem
	background:$bgColor
	.search-input
		box-sizing:border-box
		width:100%
		height:.62rem
		padding:0 .1rem
		line-height:.62rem
		width:100%
		text-align:center
		border-radius:.06rem
		color:#666
.search-content
	z-index:1
	overflow:hidden
	position:absolute
	top:1.58rem
	left:0
	right:0
	bottom:0
	background:#eee
	.search-item
		line-height:.62rem
		padding-left:.2rem
		background:#fff
		color:#666
</style>
